【数学Ⅱ 三角関数】 2倍角・半角の公式〜公式鬼ごっこをクリアせよ〜 【10話】

Previous Episode 🎥    • 【数学Ⅱ 三角関数】 加法定理〜モラハラビデオで学ぼう〜 【9話】   This Episode's Table of Contents 📝 0:00 Explanation of the Rules 1:22 Proof of the Double-Angle Formula 4:39 Practice Problems with Double-Angle Formulas 9:24 Proof and Practice Problems with the Half-Angle Formula 📚 Books Available Now ＝＝＝＝＝ High School Math I + Differential and Integral Calculus "The World's Most Relaxed and Amazing Lesson: Math Explained in 1 Minute" (Kanki Publishing) https://amzn.asia/d/0b9suOTX High School Math II "The World's Most Relaxed and Amazing Lesson: Math II Explained in 1 Minute" (Kanki Publishing) https://amzn.asia/d/0eVN4dOV ＝＝＝＝＝ #TrigonometricFunctions #DoubleAngleFormula #HalfAngleFormula